1970 Cambodian coup d'état
E157794
The 1970 Cambodian coup d'état was the U.S.-backed overthrow of Prince Norodom Sihanouk that installed General Lon Nol and drew Cambodia deeply into the Vietnam War and ensuing civil conflict.
All labels observed (3)
| Label | Occurrences |
|---|---|
| 1970 Cambodian coup d’état | 3 |
| 1970 Cambodian coup d'état canonical | 2 |
| Coup of 18 March 1970 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1385738 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
Target entity: 1970 Cambodian coup d'état Context triple: [Cambodian Civil War, significantEvent, 1970 Cambodian coup d'état]
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A.
Cambodian Civil War
The Cambodian Civil War was a brutal conflict from 1967 to 1975 between the U.S.-backed Lon Nol government and the communist Khmer Rouge, culminating in the latter’s victory and the establishment of Democratic Kampuchea.
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B.
Cambodian–Vietnamese War
The Cambodian–Vietnamese War was a late-1970s conflict in which Vietnam invaded Cambodia, overthrew the Khmer Rouge regime, and installed a new government, leading to prolonged regional instability and international tensions during the Cold War.
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C.
Bus massacre of 13 April 1975
The Bus massacre of 13 April 1975 was a deadly attack on a bus carrying Palestinians in Beirut that is widely regarded as the spark that ignited the Lebanese Civil War.
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D.
August Revolution in Vietnam
The August Revolution in Vietnam was a 1945 nationwide uprising led by the Viet Minh that overthrew French colonial and Japanese-backed rule, paving the way for the declaration of Vietnamese independence.
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E.
Japanese coup d’état in French Indochina
The Japanese coup d’état in French Indochina was a March 1945 military takeover in which Imperial Japan ousted Vichy French colonial authorities, briefly establishing direct control and paving the way for nationalist movements such as the August Revolution in Vietnam.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: 1970 Cambodian coup d'état Target entity description: The 1970 Cambodian coup d'état was the U.S.-backed overthrow of Prince Norodom Sihanouk that installed General Lon Nol and drew Cambodia deeply into the Vietnam War and ensuing civil conflict.
-
A.
Cambodian Civil War
The Cambodian Civil War was a brutal conflict from 1967 to 1975 between the U.S.-backed Lon Nol government and the communist Khmer Rouge, culminating in the latter’s victory and the establishment of Democratic Kampuchea.
-
B.
Cambodian–Vietnamese War
The Cambodian–Vietnamese War was a late-1970s conflict in which Vietnam invaded Cambodia, overthrew the Khmer Rouge regime, and installed a new government, leading to prolonged regional instability and international tensions during the Cold War.
-
C.
Bus massacre of 13 April 1975
The Bus massacre of 13 April 1975 was a deadly attack on a bus carrying Palestinians in Beirut that is widely regarded as the spark that ignited the Lebanese Civil War.
-
D.
August Revolution in Vietnam
The August Revolution in Vietnam was a 1945 nationwide uprising led by the Viet Minh that overthrew French colonial and Japanese-backed rule, paving the way for the declaration of Vietnamese independence.
-
E.
Japanese coup d’état in French Indochina
The Japanese coup d’état in French Indochina was a March 1945 military takeover in which Imperial Japan ousted Vichy French colonial authorities, briefly establishing direct control and paving the way for nationalist movements such as the August Revolution in Vietnam.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
coup d'état
ⓘ
historical event ⓘ political event ⓘ |
| alsoKnownAs |
1970 Cambodian coup d'état
ⓘ
surface form:
Coup of 18 March 1970
Lon Nol coup ⓘ |
| cause |
domestic opposition to Sihanouk's rule
ⓘ
pressure from right-wing Cambodian politicians and military ⓘ resentment of North Vietnamese and Viet Cong presence in Cambodia ⓘ |
| chronologicalOrder | before Khmer Rouge takeover of Phnom Penh in 1975 ⓘ |
| continent | Asia ⓘ |
| country | Cambodia ⓘ |
| date | 1970-03-18 ⓘ |
| effect |
end of Sihanouk's neutralist foreign policy
ⓘ
radicalization of Cambodian politics ⓘ strengthening of the Khmer Rouge insurgency ⓘ |
| establishedGovernment | Khmer Republic ⓘ |
| followedBy |
Cambodian Civil War
ⓘ
U.S. and South Vietnamese incursions into Cambodia ⓘ |
| installedLeader | Lon Nol ⓘ |
| installedOffice | Prime Minister of Cambodia ⓘ |
| leader |
Lon Nol
ⓘ
Prince Sisowath Sirik Matak ⓘ |
| legalForm | vote of no confidence against Norodom Sihanouk ⓘ |
| location | Phnom Penh ⓘ |
| method |
military takeover of key installations
ⓘ
parliamentary vote to depose Sihanouk ⓘ |
| opposedBy |
Khmer Rouge
ⓘ
Norodom Sihanouk ⓘ
surface form:
Norodom Sihanouk loyalists
Sangkum supporters ⓘ |
| overthrew | Norodom Sihanouk ⓘ |
| overthrewGovernment |
Kingdom of Cambodia (Sihanouk government)
ⓘ
surface form:
Kingdom of Cambodia under Norodom Sihanouk
|
| participant |
Cambodian military
ⓘ
surface form:
Cambodian Armed Forces
National Assembly of Cambodia ⓘ |
| politicalContext |
Cold War
ⓘ
Vietnam War ⓘ |
| precededBy | Sihanouk's policy of neutrality in the Vietnam War ⓘ |
| relatedConflict |
Cambodian Civil War
ⓘ
Vietnam War ⓘ |
| relatedOrganization |
Khmer Republic
ⓘ
Sangkum ⓘ |
| result |
Cambodia drawn deeper into the Vietnam War
ⓘ
establishment of the Khmer Republic ⓘ outbreak of Cambodian Civil War ⓘ overthrow of Norodom Sihanouk ⓘ rise to power of Lon Nol ⓘ |
| supportedBy |
Khmer Republic supporters
ⓘ
United States of America ⓘ
surface form:
United States
|
| target | Norodom Sihanouk ⓘ |
| year | 1970 ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Subject: 1970 Cambodian coup d'état Description of subject: The 1970 Cambodian coup d'état was the U.S.-backed overthrow of Prince Norodom Sihanouk that installed General Lon Nol and drew Cambodia deeply into the Vietnam War and ensuing civil conflict.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.